CN110273956B - A torsional friction plate type metal damper - Google Patents
A torsional friction plate type metal damper Download PDFInfo
- Publication number
- CN110273956B CN110273956B CN201910571512.6A CN201910571512A CN110273956B CN 110273956 B CN110273956 B CN 110273956B CN 201910571512 A CN201910571512 A CN 201910571512A CN 110273956 B CN110273956 B CN 110273956B
- Authority
- CN
- China
- Prior art keywords
- guide rod
- sliding guide
- friction plate
- energy
- protective shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
本发明公开了一种扭转摩擦板型金属阻尼器，包括上下平行设置的第一滑动导杆、第二滑动导杆、耗能部件以及防护壳；所述第一滑动导杆及第二滑动导杆的两侧沿弧形设有锯齿，耗能部件包括上下对称连接设置的第一耗能部及第二耗能部，所述第一耗能部包括与第一滑动导杆的锯齿相配合的第一齿轮部及与该第一齿轮部相连接的第一环形摩擦板，所述第二耗能部包括与第二滑动导杆的锯齿相配合的第二齿轮部及与该第二齿轮部相连接的第二环形摩擦板，第一环形摩擦板与第二环形摩擦板相叠合。该扭转耗能的阻尼器具有良好的耗能效果，能够保证摩擦板全截面充分利用，摩擦耗能效果恒定，且构造方式简单、拆卸方便。
The invention discloses a torsional friction plate type metal damper, which comprises a first sliding guide rod, a second sliding guide rod, an energy consumption component and a protective shell arranged in parallel up and down; the first sliding guide rod and the second sliding guide rod Both sides of the rod are provided with serrations along the arc, and the energy-consuming component includes a first energy-consuming part and a second energy-consuming part that are symmetrically connected up and down. the first gear part and the first annular friction plate connected with the first gear part; The second annular friction plate is connected with each other, and the first annular friction plate and the second annular friction plate are overlapped. The torsional energy dissipation damper has good energy dissipation effect, can ensure full use of the entire section of the friction plate, constant frictional energy dissipation effect, simple structure and convenient disassembly.
Description
Technical Field
The invention belongs to the field of metal dampers, and particularly relates to a torsional friction plate type metal damper.
Background
Vibration is widely existed in various fields, a machine tool, a moving locomotive, a building affected by earthquake and wind vibration and the like in work are all affected by adverse effects caused by vibration, most of vibration is inevitable, damage of vibration to a structure can be reduced only through various modes, and the addition of a damper becomes one of effective methods.
The friction type metal damper, as an energy consuming device, can consume the adverse effects of vibration by plastic deformation itself. The energy dissipation and vibration reduction device has the advantages of strong energy dissipation capability, small influence of load size and frequency on the performance, simple structure, convenience in installation and low manufacturing cost, so that the energy dissipation and vibration reduction device is widely applied to the field of energy dissipation and vibration reduction. As can be seen from the theory of tribology, the friction force is closely related to the material, pressure and contact area, and the friction-type metal dampers can be roughly classified into plate-type, tubular-type and spring-type dampers, among which the plate-type friction dampers are used in many cases. However, the friction area of the traditional plate friction type damper can be changed to a certain extent in the energy consumption process, the effective friction area is not constant, the damage degree in the middle of the friction plate is the most serious, the damage degrees at the two ends are lighter, and the friction plate cannot be fully utilized, so that waste is caused.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a torsional friction plate type metal damper which can ensure that the whole section of a friction plate is fully utilized and the friction energy consumption effect is constant.
The technical scheme is as follows: the torsional friction plate type metal damper comprises a first sliding guide rod, a second sliding guide rod, energy dissipation components and a protective shell, wherein the first sliding guide rod and the second sliding guide rod are arranged in an up-down parallel and staggered mode, the energy dissipation components are arranged on two sides of the first sliding guide rod and the second sliding guide rod, and the protective shell protects the first sliding guide rod, the second sliding guide rod and the energy dissipation components; the two sides of the first sliding guide rod and the second sliding guide rod are provided with sawteeth along the arc shape, the energy dissipation components comprise a first energy dissipation part and a second energy dissipation part which are symmetrically connected up and down, the first energy dissipation part comprises a first gear part matched with the sawteeth of the first sliding guide rod and a first annular friction plate connected with the surface of the first gear part, the second energy dissipation part comprises a second gear part matched with the sawteeth of the second sliding guide rod and a second annular friction plate connected with the surface of the second gear part, and the first annular friction plate and the second annular friction plate are overlapped.
According to the metal damper, firstly, the annular friction plate is arranged on the damper, so that the characteristics that the friction plate is in complete contact and the friction area is kept constant in the sliding deformation energy consumption process are realized, and the defect that the friction area of the traditional friction type damper is changed ceaselessly is overcome; secondly, the size of the friction force between the friction plates of the two wheel discs can be controlled by adjusting the pretightening force of the connecting bolt rod and the area of the annular friction plate, so that the damping capacity of the damper can be adjusted. Furthermore, the first annular friction plate or the second annular friction plate of the invention is respectively provided with a plurality of grooves in the radial direction of the connecting surface with the first gear part and the second gear part to form a friction surface.
Furthermore, the protective shell comprises an upper protective shell and a lower protective shell which are respectively arranged on the upper surface and the lower surface of the energy consumption component, the upper protective shell and the lower protective shell are respectively provided with a connecting bolt rod corresponding to the energy consumption component and a limiting bolt rod corresponding to the first sliding guide rod and the second sliding guide rod, and the first sliding guide rod and the second sliding guide rod are respectively provided with a slot hole corresponding to the limiting bolt rod. The two sides of the upper protective shell and the lower protective shell extend to form connecting ear plates, and the connecting ear plates are provided with tie rods for connecting and fixing the upper protective shell and the lower protective shell.
Furthermore, gaskets are arranged between the first energy consumption part and the protective shell and between the second energy consumption part and the protective shell. The end parts of the first sliding guide rod and the second sliding guide rod are respectively provided with bolt holes connected with the building structural member.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the damper with the torsional energy consumption has a good energy consumption effect, can ensure full cross section full utilization of the friction plate, has a constant friction energy consumption effect, is simple in construction mode and convenient to disassemble, can achieve the purpose of repairing the damper by replacing damaged core energy consumption components, and is strong in repairability.
Drawings
FIG. 1 is a schematic view of the overall structure of the metal damper of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a combination view of the sliding guide and the friction disk of the present invention;
FIG. 4 is a schematic view of the sliding guide of the present invention;
FIG. 5 is a schematic view of a first gear portion of the wheel disc of the present invention;
FIG. 6 is a schematic structural view of the annular friction plate of the present invention;
FIG. 7 is a schematic structural diagram of the protective shell of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the torsional friction plate type metal damper of the present invention includes a first sliding guide rod 1 and a second sliding guide rod 2 which are arranged in parallel up and down, wherein a plurality of saw teeth 5 are arranged on two side surfaces of one end of the first sliding guide rod 1 and the second sliding guide rod 2 along an arc shape, the end portion corresponding to the plurality of saw teeth 5 is a power consumption end portion, the other end is provided with a bolt hole 21 connected with a building structural member, the end is a connecting end, and the power consumption ends of the first sliding guide rod 1 and the second sliding guide rod 2 are arranged opposite up and down, that is, the two are located on the same vertical plane. Energy dissipation components 3 are arranged on two sides of energy dissipation ends of the first sliding guide rod 1 and the second sliding guide rod 2, the energy dissipation components 3 are formed by combining a first energy dissipation component 6 and a second energy dissipation component 7 which are symmetrically connected up and down to form a whole, wherein the first energy dissipation component 6 comprises a first gear part 8 meshed with the gear 5 of the first sliding guide rod 1 and a first annular friction plate 9 connected with the first gear part 8, the second energy dissipation component 7 comprises a second gear part 10 meshed with the gear 5 of the second sliding guide rod 2 and a second annular friction plate 11 connected with the upper surface of the second gear part 10, and a plurality of grooves 12 are radially arranged on the overlapped connection surface of the first annular friction plate 9 and the second annular friction plate 11 to form a friction surface, as shown in fig. 5 and 6. The radius of the arc-shaped edge of the sliding guide rod is larger than that of the annular friction plate, so that the sufficient displacement distance of the sliding guide rod is ensured.
The metal damper further comprises a protective shell 4 for protecting the energy consumption ends of the first sliding guide rod 1 and the second sliding guide rod 2 and the energy consumption components 3 arranged on two sides of the first sliding guide rod 1 and the second sliding guide rod 2, wherein the protective shell 4 comprises an upper protective shell 13 and a lower protective shell 14 which are arranged in parallel, as shown in fig. 7, connecting ear plates 18 extend from two sides of the upper protective shell 13 and the lower protective shell 14, and a bolt rod 19 for connecting and fixing the upper protective shell 13 and the lower protective shell 14 is arranged on the connecting ear plates 18. The upper protective shell 13 and the lower protective shell 14 are respectively provided with a connecting bolt rod 15 corresponding to the energy consumption component 3, the center of the energy consumption component 3 is provided with a bolt hole for preventing the first energy consumption part 6 and the second energy consumption part 7 from falling, and the friction force of the damper is controlled by adjusting the pretightening force of the connecting bolt rod 15 and the area of the annular friction plate; and the limiting bolt rods 16 are arranged corresponding to the first sliding guide rod 1 and the second sliding guide rod 2, and the first sliding guide rod 1 and the second sliding guide rod 2 are respectively provided with a narrow slot hole 17 corresponding to the limiting bolt rod 16, so as to limit the direct damage of the damper caused by the overlarge displacement of the sliding guide rods.
The working principle is as follows: the damper comprises a first sliding guide rod 1, a second sliding guide rod 2, an energy consumption component 3, a gasket 20, a connecting bolt 15, a limiting bolt 16, a bolt 19 and a protective shell 4, wherein the first energy consumption part 6 and the second energy consumption part 7 form a group to generate friction energy consumption, the dead weight is balanced through a rectangular gasket 20, the protective shell 4 is directly contacted with the rectangular gasket 20 to effectively prevent the rectangular gasket 20 from out-of-plane buckling, and a lubricant is coated on the contact part of the rectangular gasket 20 and the sliding guide rod to reduce the friction force between the sliding guide rod and the rectangular gasket.
When the damper is subjected to the action of a transverse horizontal force such as a small earthquake or wind load, the damper can provide sufficient horizontal lateral stiffness for the structure through the static friction force between the annular friction plates, so that the structure is in an elastic state; when the structure encounters large transverse horizontal force such as medium and strong earthquake or strong wind, the external load borne by the annular friction plates exceeds the maximum static friction force of the annular friction plates, and before the main structural members yield, the annular friction plates can slide and deform relatively, so that energy such as earthquake or wind vibration is dissipated by means of friction acting, the structural damage is reduced, and the effect of energy dissipation and shock absorption is achieved.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571512.6A CN110273956B (en) | 2019-06-25 | 2019-06-25 | A torsional friction plate type metal damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571512.6A CN110273956B (en) | 2019-06-25 | 2019-06-25 | A torsional friction plate type metal damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110273956A CN110273956A (en) | 2019-09-24 |
| CN110273956B true CN110273956B (en) | 2021-03-19 |
Family
ID=67962530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910571512.6A Active CN110273956B (en) | 2019-06-25 | 2019-06-25 | A torsional friction plate type metal damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110273956B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364634A (en) * | 2020-03-18 | 2020-07-03 | 江南大学 | Metal damping device |
| CN111536184A (en) * | 2020-05-06 | 2020-08-14 | 许煌难 | Half-cycle friction damper |
| CN111852147A (en) * | 2020-08-03 | 2020-10-30 | 河北科技大学 | A metal damper with self-reset deformation and energy consumption |
| CN112576670B (en) * | 2020-12-04 | 2024-04-19 | 江苏科技大学 | Rotatable reduction friction composite metal damper |
| CN114809347B (en) * | 2022-05-09 | 2023-10-24 | 江苏科技大学 | Detachable rotary friction energy dissipation metal damper |
| CN114809351B (en) * | 2022-05-27 | 2024-04-19 | 江苏科技大学 | A spiral rotating friction type metal damper |
| CN115538835B (en) * | 2022-11-03 | 2024-01-05 | 北京工业大学 | Self-resetting rotary amplifying friction energy dissipation damper |
| CN115596110B (en) * | 2022-11-14 | 2024-09-17 | 河北工业大学 | Composite damper |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB368076A (en) * | 1930-03-19 | 1932-03-03 | Leopold Trescartes | Improvements in or relating to shock absorbers for vehicles, especially for motor vehicles |
| US7882941B2 (en) * | 2007-06-15 | 2011-02-08 | Hartwell Corporation | Viscous shear damping strut assembly |
| DE102009042053A1 (en) * | 2009-09-08 | 2011-03-10 | Illinois Tool Works Inc., Glenview | damper |
| CN108360701B (en) * | 2018-01-17 | 2019-10-01 | 同济大学 | A kind of novel unidirectional friction damper |
| CN208105566U (en) * | 2018-03-16 | 2018-11-16 | 西安建筑科技大学 | A kind of U-shaped mild steel damper for timber structure bean column node |
| CN109537754B (en) * | 2018-11-27 | 2020-11-24 | 东南大学 | Viscoelastic rotary damping support and its working method |
-
2019
- 2019-06-25 CN CN201910571512.6A patent/CN110273956B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110273956A (en) | 2019-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110273956B (en) | A torsional friction plate type metal damper | |
| CN107060124A (en) | Many level damping classification surrender metal dampers | |
| CN106639469B (en) | Staged yield type mild steel damper | |
| CN206189642U (en) | Pressure attenuator is drawn in energy dissipation of arc mild steel | |
| CN107916815B (en) | Mechanical transmission type friction energy dissipation shock absorber | |
| CN112576670A (en) | Rotatable reduction friction composite metal damper | |
| CN103470671B (en) | A kind of two circle wire rope damper | |
| CN112593868B (en) | Petroleum drill string shock absorber | |
| CN111425040B (en) | Friction damper with additional spring | |
| CN205976052U (en) | Array disk energy dissipation vibration damper | |
| CN211691721U (en) | Self-resetting damper | |
| CN114482666B (en) | Friction damper with self-resetting function and energy consumption method thereof | |
| CN110670753A (en) | A one-way no-air travel friction damper | |
| CN114718978A (en) | Vibration damper | |
| CN205976679U (en) | Combination disk energy dissipation shock absorber | |
| CN205976053U (en) | Disk energy dissipation shock absorber | |
| CN212643432U (en) | Torsion-limiting flywheel assembly | |
| CN210658779U (en) | A self-resetting laminated steel plate lead-core damper | |
| CN108915332B (en) | Laminated friction damper with pressure variable device | |
| CN110847405B (en) | A tension-compression rubber friction metal damper | |
| CN201406776Y (en) | Internal collision-friction-deformation three-stage energy consumption anti-torsion energy dissipator | |
| CN222375704U (en) | Multistage damping hydraulic metal damper | |
| CN110836034A (en) | An assembled lightweight metal damper capable of multi-stage energy dissipation and vibration reduction | |
| CN221800439U (en) | Sliding long hole bolt double-stage friction damper | |
| CN108867930A (en) | Viscoelasticity shearing friction damper and application method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |